Finding the Fourth Proportional to 1,572,294.42, 2,359,355.91 and 661,410.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,572,294.42 : 2,359,355.91 = 661,410.12 : x
2. Step 2: Convert to fraction form
   1,572,294.42/2,359,355.91 = 661,410.12/x
3. Step 3: Cross multiply
   1,572,294.42x = 2,359,355.91 × 661,410.12
4. Step 4: Simplify right side
   1,572,294.42x = 1,560,501,875,555.81
5. Step 5: Solve for x
   x = 1,560,501,875,555.81/1,572,294.42
6. Step 6: Final answer
   x = 992,499.79